S-96177A480 1/2"-20 x 1 1/2" ASTM A108 Coupling Nuts
Coupling Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide steel finish, ideal for harsh industrial environments
- Precise thread engagement with Class 2B thread fit ensuring reliable, vibration-resistant connections
- Maximum strength and durability from ASTM A108 certified steel construction
- Full-length threading provides consistent engagement along the entire 1 1/2" length for versatile applications
- Fine UNF thread design (1/2"-20) delivers higher torque capacity and better tension control
- Compliance with environmental regulations including RoHS 3 and REACH for global supply chain compatibility
- Standard right-hand threading ensures compatibility with common industrial fastening systems
Professional Applications & Engineering Value
This black-oxide steel coupling nut addresses critical challenges in industrial assembly where corrosion resistance and thread reliability are paramount. The fully threaded design with UNF fine threading (1/2"-20) provides superior load distribution across the entire 1 1/2" length, preventing stress concentration points that can lead to fastener failure. The Class 2B thread fit ensures consistent engagement in demanding applications where vibration resistance is crucial. Manufactured to ASTM A108 specifications, this coupling nut maintains structural integrity under heavy loads while the black-oxide surface treatment protects against rust and degradation in industrial environments. Ideal for extending threaded rods, joining components, and precision assembly operations requiring reliable, long-lasting connections.
Specification Summary & Compliance
This coupling nut features 1/2"-20 UNF fine threads with Class 2B thread fit tolerance, 37/64" OD, and 1 1/2" length. Manufactured in compliance with ASTM A108 standards for material quality and performance. The product meets RoHS 3 (2015/863/EU) compliance with exemption 6(a) for lead as an alloying element in steel and is REACH (EC 1907/2006) compliant with the latest SVHC list (01/17/2023, 233 SVHC), ensuring environmental regulatory adherence for industrial applications.
